2688533507712 has 128 divisors (see below), whose sum is σ = 7898615746560. Its totient is φ = 804883156992.

The previous prime is 2688533507663. The next prime is 2688533507731. The reversal of 2688533507712 is 2177053358862.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7093248 + ... + 7462655.

It is an arithmetic number, because the mean of its divisors is an integer number (61707935520).

Almost surely, 2^{2688533507712} is an apocalyptic number.

It is an amenable number.

2688533507712 is an abundant number, since it is smaller than the sum of its proper divisors (5210082238848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2688533507712 is a wasteful number, since it uses less digits than its factorization.

2688533507712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555970 (or 14555958 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 2688533507712 in words is "two trillion, six hundred eighty-eight billion, five hundred thirty-three million, five hundred seven thousand, seven hundred twelve".